CN112727688A - 一种基于浮式风机的综合抗波发电装置 - Google Patents
一种基于浮式风机的综合抗波发电装置 Download PDFInfo
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Abstract
本发明公开了一种基于浮式风机的综合抗波发电装置,包括风力发电机,风力发电机周围设置吸波发电装置,吸波发电装置的外侧设置海流发电装置;所述吸波发电装置通过内部的吸波浮子吸收海浪能量,所述海流发电装置通过内部的涡轮叶片吸收海浪能量。本发明合理结合了三种发电装置,共用一套系泊、定位、海缆输送***,大大的提高了单位海域清洁能源的利用率;此外,风机平台的特殊结构为大大的提高了整个***的稳定性,为***的安全工作提供了保障,本发明适应多种海况,机构灵活,发电效率高,发电稳定。
Description
技术领域
本发明涉及一种发电装置,尤其涉及一种基于浮式风机的综合抗波发电装置。
背景技术
在早期经济发展的背景下,火力发电作为一种主要的发电形式,为经济发展提供了强大的动力,但与此同时火力发电也为环境带来了很大的负担。在节能环保的大背景下,清洁能源发电被相继开发。风能、波浪能、海流能作为海洋能源主要的能源形势,正逐步被大家开发,三种发电形式都包含着系泊、定位以及海缆输电等技术,这就为节约成本、提高经济效益的结合方案提供了可能性。
现有技术中存在者以下缺陷:现有的风能与海浪能源结合的发电方式不能充分的利用海浪的能量;风机和海浪发电装置作为一个整体,设备体积较大,对于海床形状等外部环境因素的适用性较差,稳定性存在不确定因素。
发明内容
发明目的:本发明旨在提供一种风能、波浪能、海流能一体的基于浮式风机的综合抗波发电装置。
技术方案:本发明的基于浮式风机的综合抗波发电装置,包括风力发电机,风力发电机周围设置吸波发电装置,吸波发电装置的外侧设置海流发电装置;所述吸波发电装置通过内部的吸波浮子吸收海浪能量,所述海流发电装置通过内部的涡轮叶片吸收海浪能量。
所述风力发电机包括设置在风机支座上的塔筒、叶片、第一轮毂、发电机和尾翼,所述叶片设于第一轮毂四周,叶片带动第一轮毂旋转,第一轮毂连接发电机,所述尾翼设于叶片的背面。
所述第一轮毂上设有锥形的第一导流罩。
所述吸波发电装置至少设有三个,依次连接并分别与风力发电机连接;所述海流发电装置至少设有两个,通过系泊缆连接风力发电机或吸波发电装置。
所述吸波发电装置包括立柱、吸波套筒、吸波浮子、直线发电机,所述吸波套筒下方连接吸波浮子,吸波套筒设于立柱外,能沿立柱上下运动,带动发电机发电;吸波套筒上设有开口。
所述直线发电机包括固定在立柱上的发电机定子和固定在吸波套筒上的发电机动子,所述发电机定子与吸波套筒之间设置有缓冲弹簧。
所述海流发电装置包括设于支撑座上的聚流罩、第二轮毂、涡轮叶片,所述涡轮叶片设于第二轮毂四周,聚流罩设于涡轮叶片和第二轮毂外,聚流罩呈中间小两端大的纺锤形。
第二轮毂上设有锥形的第二导流罩。
所述风机支座包括支撑平台、压载舱以及设于支撑平台和压载舱之间的支撑桁架;支撑桁架之间通过斜向的钢筋连接,桁架之间沿水平方向设有升沉板。
所述压载舱内填充柔性介质,使得装置重心与浮心距离增加。
有益效果:与现有技术相比,本发明具有如下显著优点:
本发明合理结合了三种发电装置,共用一套系泊、定位、海缆输送***,大大的提高了单位海域清洁能源的利用率;此外,风机平台的特殊结构为大大的提高了整个***的稳定性,为***的安全工作提供了保障,本发明适应多种海况,机构灵活,发电效率高,发电稳定。
本发明风机设有尾翼,可以使其在风力作用下朝向迎风面,保证风力发电机的运行效率;此外,风机内部在设有风能调速机构,可使轮毂转速稳定,减少磨损和发电机发电效率,提高风机寿命。本发明风机支座采用独特的结构,将平台与压载舱分开,加大了浮心与重心的距离,提高了结构的稳定性;此外,其间设置的升沉板,提高了竖向阻尼,也增加了***稳定性。
本发明吸波浮子位于海面上,可以更有效的吸收波浪能,提升发电效率;此外,此装置可以吸收波浪的能量,提高整个***的抗波能力。
本发明利用海流发电装置的重力将整个***系泊,降低了系泊成本;其次,***为海流发电装置提供了定位和电力输送海缆,降低了整体成本。
附图说明
图1为本发明的结构示意图。
图2为较浅海发电装置系泊图;
图3为海峡发电装置布置图;
图4为本发明的风力发电机结构图;
图5为本发明的吸波发电装置的外观图;
图6为本发明的吸波发电装置的剖面图;
图7为本发明的风机支座的结构图;
图8为本发明的海流发电机的正视图;
图9为本发明的海流发电机的剖面图。
具体实施方式
下面结合附图对本发明的技术方案作进一步说明。
如图1所示,整个***包括风力发电机1、半潜式的吸波发电装置21、带导流罩的海流发电装置3等三部分***以及相关连接、系泊方式组成。风力发电机1周围设置吸波发电装置21,吸波发电装置21的外侧设置海流发电装置3。吸波发电装置21至少设有三个,依次连接并分别与风力发电机1连接,海流发电装置3至少设有两个,通过系泊缆52连接风力发电机1或吸波发电装置21。
在本实施例中,风力发电机1由51张紧式系泊缆系泊于海底,风力发电机基础分为固定式和浮式,浮式中包括有SPAR和半潜式,本实施例中的风力发电机基础为基于SPAR式的改进结构。海流发电装置3和吸波发电装置21分别设有三个。吸波发电装置21呈等边三角形布置在风力发电机1周围,通过桁架与风机支座22连接,并相互连接。海流发电装置3通过系泊缆52与其中两个吸波发电装置21相连,并使其朝向不同方向。上述结构适用于发电装置安装在深远海时,此时整个装置可视为改进的半潜式系泊,更好的抵抗深远海的波浪冲击,增强基础稳定性;所示海流发电机多向排布,提高整个发电装置的发电稳定性。
在另一实施例中,如图2所示,当发电装置安装在较浅海时,海流发电装置3的底座39与平台压载箱225通过系泊缆52系泊,可将整个***视为SPAR(单柱式平台)基础采用多点系泊方式。其余结构与上一实施例相同。上述结构在降低安装难度的同时不影响整个装置的发电效率,海流发电装置多向排布,提高整个发电装置的发电稳定性。
在另一实施例中,如图3所示,当发电装置安装在海峡处时,海流流向稳定,可将海流发电装置3单向排布,提高发电效率。
上述实施例的各装置具体结构如图4~9所示。
风力发电机1包括设于风机支座22上的塔筒4、第一导流罩11、第一轮毂13、叶片12、机舱壳14、风能调速机构15、发电机16、尾杆17、尾翼18、支座19、回转轴20、塔杆21等。风机支座22上设有塔筒4,塔筒顶部依次通过回转轮20、支座19连接机舱,机舱包括设于中部的发电机16、发电机一端的机舱壳14、发电机另一端的第一轮毂13。叶片12连接在第一轮毂13上,带动第一轮毂13转动,从而将风能转化为机械能,从而带动机舱内的发电机16发电。第一导流罩11位于第一轮毂13前部,将迎面的海风导向叶片12,从而提高风机效率。发电机16和第一轮毂13之间大好人有风能调速机构15,风能调速机构15可以控制风机运行速度,以保证在极端天气下风机的正常运行。机舱壳14用于保护风机内部结构,机舱壳14尾部连接有尾杆17,以将机舱与尾翼18连接起来。尾翼18与塔杆21平行,在风力作用下以通过回转轮20带动风机转动,使风机处于迎风面。
吸波发电装置21通过内部的吸波浮子吸收海浪能量,所述海流发电装置3通过内部的涡轮叶片吸收海浪能量。
吸波发电装置21由立柱211、吸波套筒213、吸波浮子212、缓冲弹簧216、直线发电机定子215、直线发电机动子214构成。直线发电机定子215固定在立柱211上、吸波套筒213上部固定有直线发电动子214,并套接在立柱211上,且定子与套筒之间设置有缓冲弹簧216,实现缓冲作用,提高设备寿命。所述吸波套筒213下方有吸波浮子212,用以吸收波浪能,使吸波套筒213上下运动,从而带动直线发电机动子214运动,以配合直线发电机定子215进行发电。所述吸波套筒213在侧面开窗,以便于吸波发电装置21的立柱211与风机支座22通过桁架23连接。
风机支座22包括风机支撑平台221、支撑钢筋223、支撑桁架222、升沉板224、压载舱225等。所述支撑平台221下部设置有支撑钢筋223,用以连接支撑平台22和压载舱225。所述支撑钢筋223中断设有升沉板224,可采用焊接方式连接,升沉板224以提高机构的竖向阻尼,增加其稳定性。所述支撑钢筋223之间设置有支撑桁架222,以提高机构强度。所述压载舱225可以填充海水、砂石等填充物,以增加整个***的重心与浮心距离,提高机构稳定性。所述吸波发电装置21与风机支座22由桁架23连接(吸波发电装置21的立柱221与风机支座22的风机支撑平台221连接)。
带导流罩的海流发电装置3,包括聚流罩31、发电***、支撑腿39等。其中聚流罩31位于发电***外部聚集海流能提高发电效率,支撑腿39位于聚流罩31外,接触海床,起到支撑作用;所述发电***包括第二导流罩32、涡轮叶片34、轮毂33、机舱壳37、海流能调速机构35、发电机36等,其中导流罩32位于涡轮叶片34前方,一方面起到固定叶片的作用,另一方面也有将海流导向叶片的作用;所述涡轮叶片34连接在第二轮毂33上,叶片带动第二轮毂33转动,使海流能转化为机械能,第二轮毂33与海流能调速机构35连接,已调节第二轮毂33运动速率合适,更高效的带动发电机工作,使机械能转化为电能,机舱外壳37设置在发电机外36,起保护作用;所述发电***整体呈纺锤形,以保证海流正常流通。
Claims (10)
1.一种基于浮式风机的综合抗波发电装置,其特征在于,包括风力发电机(1),风力发电机(1)周围设置吸波发电装置(21),吸波发电装置(21)的外侧设置海流发电装置(3);所述吸波发电装置(21)通过内部的吸波浮子吸收海浪能量,所述海流发电装置(3)通过内部的涡轮叶片吸收海浪能量。
2.根据权利要求1所述的基于浮式风机的综合抗波发电装置,其特征在于,所述风力发电机(1)包括设置在风机支座(22)上的塔筒(4)、叶片(12)、第一轮毂(13)、发电机(16)和尾翼(18),所述叶片(12)设于第一轮毂(13)四周,叶片(12)带动第一轮毂(13)旋转,第一轮毂(13)连接发电机(16),所述尾翼(18)设于叶片的背面。
3.根据权利要求2所述的基于浮式风机的综合抗波发电装置,其特征在于,所述第一轮毂(13)上设有锥形的第一导流罩(11)。
4.根据权利要求1所述的基于浮式风机的综合抗波发电装置,其特征在于,所述吸波发电装置(21)至少设有三个,依次连接并分别与风力发电机(1)连接;所述海流发电装置(3)至少设有两个,通过系泊缆(52)连接风力发电机(1)或吸波发电装置(21)。
5.根据权利要求1所述的基于浮式风机的综合抗波发电装置,其特征在于,所述吸波发电装置(21)包括立柱(211)、吸波套筒(213)、吸波浮子(212)、直线发电机,所述吸波套筒(213)下方连接吸波浮子(212),吸波套筒(213)设于立柱(211)外,能沿立柱上下运动,带动发电机发电;吸波套筒(213)上设有开口。
6.根据权利要求5所述的基于浮式风机的综合抗波发电装置,其特征在于,所述直线发电机包括固定在立柱上的发电机定子(215)和固定在吸波套筒(213)上的发电机动子(214),所述发电机定子(215)与吸波套筒(213)之间设置有缓冲弹簧(216)。
7.根据权利要求1所述的基于浮式风机的综合抗波发电装置,其特征在于,所述海流发电装置(3)包括设于支撑座(39)上的聚流罩(31)、第二轮毂(33)、涡轮叶片(34),所述涡轮叶片(34)设于第二轮毂(33)四周,聚流罩(31)设于涡轮叶片(34)和第二轮毂(33)外,聚流罩(31)呈中间小两端大的纺锤形。
8.根据权利要求7所述的基于浮式风机的综合抗波发电装置,其特征在于,第二轮毂(33)上设有锥形的第二导流罩(32)。
9.根据权利要求2所述的基于浮式风机的综合抗波发电装置,其特征在于,所述风机支座(22)包括支撑平台(221)、压载舱(225)以及设于支撑平台(221)和压载舱(225)之间的支撑桁架(223);支撑桁架(223)之间通过斜向的钢筋(222)连接,桁架之间沿水平方向设有升沉板(224)。
10.根据权利要求9所述的基于浮式风机的综合抗波发电装置,其特征在于,所述压载舱(225)内填充柔性介质,使得装置重心与浮心距离增加。
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